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(3) the range of discharge adjustment is wider.The adjustment of the discharge size is easier.The top of the impact crusher is provided with a mechanical adjustment device, which can adjust the spacing of the counter frame and the rotor by screwing the bolt of the device, thereby adjusting the discharge size, and adjusting the speed of the rotor, adjusting the gap between the counter plate and the grinding chamber, etc.It can effectively and easily adjust the size of the discharge size.The hammer crusher can only adjust the discharge particle size by replacing the bottom sieve plate.
5.The research report is estimated to grow at the highest growth rate and development trends of mobile crushers and screeners until 2028.
Impact crusher is mainly used to crush many kinds of large, medium, small hard size materials with compression resistance no more than 350mpa,in the fields of highway, reservoir, railway, airport and other fields that need rock with cubic shape.It features in high capacity, high performance, high reduction ratio, cubic shape and low flakiness.
Single roll crushers employ a tramp relief mechanism to allow momentary movement of the crushing plate so the uncrushable object can pass.The mechanism then allows the crusher to return to its original setting and remain in operation.
This paper presents a method evaluating in numerical value the magnitude of vibration component contained in the rotor angular velocity of a hammer crusher and a new structure to remove them.In the hammer crusher, while rotating by the rotor, hammers are swinging around their pivots simultaneously.This swinging gives effect on the motion of the rotor, making vibration component contained in the rotor angular velocity.By simulating the rotating process of the hammer crusher, the rotor angular velocity and motor power are obtained, and by using the digital filtering technique, a method is developed to evaluate its magnitude in root mean square value by extracting vibration component contained in this simulation result.With this evaluating method is evaluated the simulation result on the motion process of various structures to find out a new structure model of very little value of vibration components in angular velocity and motor power.
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